Home / 19,354.28-26,708.28-10,856.70

Finding the Fourth Proportional to 19,354.28, 26,708.28 and 10,856.70

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Solution

The fourth proportional to 19,354.28, 26,708.28 and 10,856.70 is: 14,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.28 : 26,708.28 = 10,856.70 : x
  2. Step 2: Convert to fraction form
    19,354.28/26,708.28 = 10,856.70/x
  3. Step 3: Cross multiply
    19,354.28x = 26,708.28 × 10,856.70
  4. Step 4: Simplify right side
    19,354.28x = 289,963,783.48
  5. Step 5: Solve for x
    x = 289,963,783.48/19,354.28
  6. Step 6: Final answer
    x = 14,981.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.